diff --git a/frontend/app/components/modules/simulator-configs/simulator-chair-config.tsx b/frontend/app/components/modules/simulator-configs/simulator-chair-config.tsx
index bc390c75..37de454e 100644
--- a/frontend/app/components/modules/simulator-configs/simulator-chair-config.tsx
+++ b/frontend/app/components/modules/simulator-configs/simulator-chair-config.tsx
@@ -26,9 +26,11 @@ const progress = (
   const currentToEnd =
     Math.abs(end.latitude - current.latitude) +
     Math.abs(end.longitude - current.longitude);
-  return Math.max(
-    Math.min(((startToEnd - currentToEnd) / startToEnd) * 100, 100),
-    0,
+  return Math.floor(
+    Math.max(
+      Math.min(((startToEnd - currentToEnd) / startToEnd) * 100, 100),
+      0,
+    ),
   );
 };